21015087 (number)

21015087 is an odd 8-digits composite number following 21015086 and preceding 21015088. In scientific notation, it is written as 2.1015087 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 13957440 positive integers (up to 21015087) that are relatively prime to 21015087.

Interesting facts

Basic properties

Name

Name twenty-one million fifteen thousand eighty-seven

Notation

Scientific notation 2.1015087 × 10^7
Engineering notation 2.1015087 × 10^6

Prime Factorization of 21015087

Prime Factorization 3 × 269 × 26041

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21015087
Product of the distinct prime numbers

The prime factorization of 21015087 is 3 × 269 × 26041. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21015087)

Multiplication

n×y
n×2 42030174
n×3 63045261
n×4 84060348
n×5 105075435

Division

n÷y
n÷2 10507543.5
n÷3 7005029
n÷3 5253771.75
n÷5 4203017.4

Exponentiation

ny
n2 441633881617569
n3 9.2809744443409E+21
n4 1.950404853926E+29
n5 4.0987927690477E+36

Nth Root

y√n
2√n 4584.2215260609
3√n 275.95847148747
4√n 67.706879458892
5√n 29.14111994444

Divisors of 21015087

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21015086
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21015087 can be divided by 8 positive divisors. The sum of these divisors (counting 21015087) is 1, the average is 0.125.

Base conversion 21015087

Base System Value
2 Binary 1010000001010101000101111
3 Ternary 1110112200021120
4 Quaternary 1100022220233
5 Quinary 20334440322
6 Senary 2030232023
8 Octal 120125057
10 Decimal 21015087
12 Duodecimal 7055613
16 Hexadecimal 140aa2f
20 Vigesimal 6b6he7
36 Base36 cifcf

Cryptographic Hash Functions

md5 29783500864e7210640fd74bd7527643
sha1 0d01ee6792d4c89a1a9672c8cec911d824402594
sha256 54823fa4c672505c0db2f8755fd7249768a8606620842deb31a16a979c675cc8
sha512 2a6cdcb0830b8f2368bc7cb6befecb9eae02ce9c7955d2f2c85ed315013383930efcef918fc5e91ed74eb986ccc8eb2fc41cb688e46bde6280dbb5eae8bc324c
ripemd-160 13a631ebc4911c9610fb00e8b862b8330cc195de

21015087 as geometric shapes

Circle

Radius = n
Diameter 42030174
Circumference 132041685.8675
Area 1.3874337580661E+15

Sphere

Radius = n
Volume 3.8876054843328E+22
Surface area 5.5497350322644E+15
Circumference 132041685.8675

Square

Length = n
Perimeter 84060348
Area 441633881617569
Diagonal 29719821.049851

Cube

Length = n
Surface area 2649803289705414
Volume 9.2809744443409E+21
Space diagonal 36399198.40948

Equilateral Triangle

Length = n
Perimeter 63045261
Area 1.9123308032637E+14
Altitude 18199599.20474

Triangular Pyramid

Length = n
Surface area 1.9123308032637E+14
Volume 1.0937733276021E+21
Height 9906607.0166168